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L6911D from ST,ST Microelectronics

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L6911D

Manufacturer: ST

5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION

Partnumber Manufacturer Quantity Availability
L6911D ST 23550 In Stock

Description and Introduction

5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION The L6911D is a step-down switching regulator manufactured by STMicroelectronics. Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**  
- **Input Voltage Range:** 2.9V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SO-8  

### **Descriptions:**  
The L6911D is a high-efficiency, step-down DC-DC converter designed for low-voltage applications. It integrates a synchronous rectifier to minimize power loss and improve efficiency. The device operates at a fixed frequency of 1.5MHz, allowing the use of small external components.  

### **Features:**  
- **Synchronous Rectification:** Reduces power dissipation.  
- **PWM/PFM Mode Operation:** Ensures high efficiency at both light and heavy loads.  
- **Internal Soft-Start:** Limits inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Prevents operation below safe input voltage levels.  
- **Short-Circuit Protection:** Enhances reliability.  
- **Thermal Shutdown:** Protects the device from overheating.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION

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